CN211285664U - I-shaped steel counterforce device for underground diaphragm wall - Google Patents

Abstract

The utility model discloses an underground continuous wall I-shaped steel counterforce device, including the joint case, the joint case includes a montage joint case standard section and a joint case bottommost section, joint case standard section includes standard section body, sets up at the first male joint on standard section body top and sets up at the terminal first female joint of standard section body, the joint case bottommost section includes bottommost section body, sets up at the male joint of second on bottommost section body top and sets up at the terminal broken ground head of bottommost section body, the beneficial effects of the utility model are that: the joint box is arranged to serve as the counter-force support of the I-shaped steel, no obvious gap exists between the joint box and the I-shaped steel, and the problem that concrete leaks from the bottom of the I-shaped steel is solved.

Description

Underground diaphragm wall I-beam reaction force device

technical field

The utility model relates to the technical field of building construction auxiliary devices, in particular to an I-beam reaction force device for an underground continuous wall.

Background technique

The underground diaphragm wall is a kind of grooving machine on the ground for the foundation project. A narrow and long deep groove is excavated. After the groove is cleared, the steel cage is hung in the groove, and then the underwater concrete is poured by the pipe method to form a unit groove. In this way, a continuous reinforced concrete wall is built underground as a water interception, anti-seepage, load-bearing and water-retaining structure.

In the prior art, the underground diaphragm wall adopts I-beams for partition during the construction process, and performs segmented construction. One side of the I-beam is supported by a round steel pipe, but there is always a gap between the I-beam and the round steel pipe, and the concrete is poured. During the process, the concrete easily overflowed from the bottom of the I-beam and penetrated into the gap between the I-beam and the round steel pipe, thus affecting the construction quality.

Utility model content

In order to solve the problems existing in the prior art, the utility model provides an I-beam reaction force device for an underground continuous wall with a reasonable structure.

The technical scheme of the present utility model is as follows:

The I-beam reaction force device for an underground continuous wall is characterized in that it includes a joint box, the joint box includes a set of joint box standard sections and a bottommost section of the joint box, and the joint box standard section includes a standard section body, which is arranged on the The first male connector at the top of the standard section body and the first female connector arranged at the end of the standard section body, the first male connector adopts a plug-in protrusion, and the outer wall of the first male connector is provided with a first male connector running through both sides. The connecting hole, the first female joint adopts a receiving groove, the outer wall of the first female joint is provided with a second connecting hole penetrating on both sides, and the first male joint and the second connecting hole are connected between the two adjacent sections of the standard section of the joint box through the first male joint. A female connector is inserted and matched, so that the first connection hole and the second connection hole correspond in position, and are inserted and fixedly connected through a pin shaft;

The bottommost section of the joint box includes a bottommost section body, a second male joint disposed at the top of the bottommost section body, and a soil breaking head disposed at the end of the bottommost section body. The second male joint adopts a plug-in protrusion, so The outer wall of the second male joint is provided with a third connection hole penetrating on both sides, and the bottommost section of the joint box is inserted and matched with the first female joint of the standard section of the joint box through the second male joint, so that the third connection hole is connected with the first female joint of the standard section of the joint box. The positions of the second connecting holes correspond to each other, and are fixedly connected through the insertion of the pin shaft.

The I-beam reaction force device for the underground continuous wall is characterized in that a first lifting lug is provided on the first male joint at the top of the standard section body, and a first lifting hole is provided on the first lifting lug; A second lifting lug is provided on the second male joint at the top of the body of the bottommost section, and a second lifting hole is provided on the second lifting lug.

The I-beam reaction force device for the underground diaphragm wall is characterized in that, the standard section body is provided with a first through hole for inserting a jacking pole at a position close to the first connecting hole and the second connecting hole, respectively. , a second through hole for the insertion of the pulling pole is arranged on the body of the bottommost section at a position close to the third connecting hole.

The I-beam reaction force device for the underground diaphragm wall is characterized in that the pin shaft comprises a pin shaft body and a pin shaft cap arranged at one end of the pin shaft body, and a detachable pin shaft arranged at the other end of the pin shaft body cover plate.

The I-beam reaction force device for the underground diaphragm wall is characterized in that the jacking pole includes a pole body and round steel handles arranged at both ends of the pole body.

The I-beam reaction force device of the underground continuous wall is characterized in that a limit plate is arranged on one side of the joint box, and the two ends of the limit plate respectively extend out of the joint box.

The beneficial effects of the present utility model are:

1) By setting the joint box as the reaction support of the I-beam, there is no obvious gap between the joint box and the I-beam, which solves the problem of concrete leakage at the bottom of the I-beam.

2) The joint box adopts a segmented structure, including the standard section of the joint box and the bottom section of the joint box, which can construct continuous walls of different depths and improve the extensiveness of application.

Description of drawings

Fig. 1 is the structural schematic diagram of the standard section of the splice box of the present invention;

Fig. 2 is the structural schematic diagram of the bottommost section of the splice box of the present invention;

Figure 3 is a schematic diagram of the cross-sectional structure of the splice box of the present invention;

Fig. 4 is the pin shaft structure schematic diagram of the present utility model;

Fig. 5 is the structural representation of the jacking pole of the present utility model;

Fig. 6 is the installation schematic diagram of the splice box of the present invention;

In the figure: 1-Standard section of joint box, 101-Standard section body, 102-First male connector, 103-First female connector, 104-First lifting lug, 105-First lifting hole, 106-First connecting hole , 107-second connection hole, 108-first through hole, 2-bottommost section of joint box, 201-bottommost section body, 202-second male connector, 203-earth-breaking head, 204-second lifting lug, 205 -Third connection hole, 206-Second lifting hole, 207-Second through hole, 3-Pin shaft, 301-Pin shaft body, 302-Pin shaft cap, 303-Pin shaft cover plate, 4-Top pull out pole, 401- pole body, 402- round steel handle, 5- limit plate, 6- embedded steel bar, 7- steel wire rope, 8- backfill support, 9- I-beam, 10- joint box.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1-6, the I-beam reaction force device of the underground diaphragm wall includes a joint box 10, and the joint box 10 includes a set of standard sections 1 of the joint box and a bottommost section 2 of the joint box;

The standard segment 1 of the splice box includes a standard segment body 101, a first male connector 102 arranged at the top of the standard segment body 101, and a first female connector 103 arranged at the end of the standard segment body 101. The first male connector 102 adopts a plug-in protrusion, The outer wall of the first male connector 102 is provided with a first connecting hole 106 penetrating on both sides, the first female connector 103 adopts a receiving groove, and the outer wall of the first female connector 103 is provided with a second connecting hole 107 penetrating on both sides. The first male connector 102 and the first female connector 103 are inserted and matched between the two adjacent sections of the standard section 1, so that the first connection hole 106 and the second connection hole 107 correspond in position, and are inserted and fixedly connected through the pin shaft 3; The first male connector 102 at the top of the standard section body 101 is provided with a first lifting lug 104, and the first lifting lug 104 is provided with a first lifting hole 105; The positions of the two connecting holes 107 are respectively provided with first through holes 108 for inserting the pulling pole 4 therethrough.

The bottommost section 2 of the joint box includes a bottommost section body 201, a second male connector 202 arranged at the top of the bottommost section body 201, and a soil breaking head 203 arranged at the end of the bottommost section body 201. The second male connector 202 adopts a plug-in convex The outer wall of the second male connector 202 is provided with third connection holes 205 penetrating on both sides. The third connection hole 205 corresponds to the position of the second connection hole 107, and is inserted and fixed by the pin shaft 3; the second male joint 202 at the top of the bottom body 201 is provided with a second lifting lug 204, and the second lifting lug 204 is provided with a second lifting lug 204. The second hoisting hole 206; the bottommost body 201 is provided with a second through hole 207 at a position close to the third connecting hole 205 for the insertion of the jacking pole 4.

The pin shaft 3 includes a pin shaft body 301 and a pin shaft cap 302 arranged at one end of the pin shaft body 301 , and a detachable pin shaft cover plate 303 arranged at the other end of the pin shaft body 301 . Then cover it with the pin cover 303 and fix it with bolts.

The jacking pole 4 includes a pole body 401 and round steel handles 402 arranged at both ends of the pole body 401. The jacking pole 4 is used for temporary support when the splice box is lengthened.

A limit plate 5 is provided on one side of the joint box 10 , and both ends of the limit plate 5 extend outward from the joint box 10 respectively, so that the joint box 10 and the I-beam can be installed in place.

construction process:

On the ground, a grooving machine is used to excavate a long and narrow deep groove, and the I-beam (the I-beam and the reinforcement cage are an integral structure) is put into the deep groove through the hoisting equipment. To install the joint box 10 on the hoisting equipment, first hoist the bottommost section 2 of the joint box, place the bottommost section 1 of the joint box in the deep groove, and insert the jacking pole 4 into the second through hole 207, and the two ends of the jacking pole 4 are respectively set On the jacking pads on both sides of the top of the deep groove (the pads used to support the two ends of the jacking pole 4), then hoist the standard section 1 of the joint box, and connect the first female joint 103 of the standard section 1 of the joint box with the joint The second male joint 202 of the bottommost section of the box is butted, so that the third connecting hole 205 corresponds to the position of the second connecting hole 107, and is inserted and fixed by the pin 3, so that the connection between the standard section 1 of the joint box and the bottom section 2 of the joint box is completed; Then the hoisting equipment hoists the standard section 1 of the joint box and the bottom section 2 of the joint box at the same time, and pulls out the jacking pole 4 and continues to lower it. When the standard section 1 of the joint box is lowered into the deep groove, insert the jacking pole into the first section. In a through hole 108, then hoist the standard section 1 of the joint box, connect the first male connector 102 of the standard section 1 of the joint box with the first female connector 103 of the standard section 1 of the joint box, and follow the above steps to reach the standard section 1 of the joint box The joint box 10 is assembled until the deep groove is exposed and cannot be lowered further; the joint box 10 is tied to the embedded steel bars 6 on both sides of the deep groove with steel wire rope 7, and the joint box 10 is preliminarily fixed, and finally it is located in the deep groove and at the joint One side of the box 10 is provided with a backfill support 8 to further support the joint box 10 . The next step is to pour concrete into the deep groove. After the concrete is solidified, pull out the joint box 10 and place the I-beam 9 for the next unit construction (same as the previous construction process) until the construction of the connecting wall is completed.

Claims (6)

1. An I-beam reaction force device for an underground diaphragm wall, characterized in that it comprises a joint box (10), and the joint box (10) includes a set of joint box standard sections (1) and a joint box bottommost section (2) , the joint box standard section (1) includes a standard section body (101), a first male connector (102) arranged at the top of the standard section body (101) and a first female connector arranged at the end of the standard section body (101) (103), the first male connector (102) adopts a plug-in protrusion, the outer wall of the first male connector (102) is provided with first connecting holes (106) penetrating both sides, and the first female connector (103) Using a receiving groove, the outer wall of the first female joint (103) is provided with a second connecting hole (107) running through both sides, and the standard section (1) of the joint box passes between two adjacent sections. A male connector (102) is inserted and matched with the first female connector (103), so that the first connecting hole (106) corresponds to the second connecting hole (107), and is inserted and fixedly connected through the pin (3); The bottommost section (2) of the joint box includes a bottommost section body (201), a second male joint (202) arranged at the top of the bottommost section body (201), and a soil-breaker arranged at the end of the bottommost section body (201). head (203), the second male connector (202) adopts a plug-in protrusion, the outer wall of the second male connector (202) is provided with third connection holes (205) penetrating both sides, and the connector box is the most The bottom section (2) is plug-fitted with the first female joint (103) of the standard section (1) of the joint box through the second male joint (202), so that the third connecting hole (205) is positioned at the position of the second connecting hole (107). Correspondingly, the pins (3) are inserted and fixedly connected. 2 . The I-beam reaction force device for an underground diaphragm wall according to claim 1 , wherein the first male joint ( 102 ) at the top of the standard section body ( 101 ) is provided with a first lifting lug ( 104 ). 3 . , the first lifting lug (104) is provided with a first lifting hole (105); the second male joint (202) at the top of the bottommost body (201) is provided with a second lifting lug (204), A second hoisting hole (206) is provided on the second hoisting lug (204). 3. The I-beam reaction force device for an underground diaphragm wall according to claim 1, characterized in that, on the standard section body (101) near the first connection hole (106) and the second connection hole (107) The positions are respectively provided with first through holes (108) for the insertion of the lifting pole (4). ) through the second through hole (207). The I-beam reaction force device for an underground diaphragm wall according to claim 1, characterized in that the pin shaft (3) comprises a pin shaft body (301) and a pin shaft arranged at one end of the pin shaft body (301). The cap (302) is a detachable pin cover (303) provided at the other end of the pin body (301). 5 . The I-beam reaction force device for an underground diaphragm wall according to claim 3 , wherein the jacking pole ( 4 ) comprises a pole body ( 401 ) and round steel handles arranged at both ends of the pole body ( 401 ). 6 . (402). 6 . The I-beam reaction force device for an underground diaphragm wall according to claim 1 , wherein a limit plate ( 5 ) is provided on one side of the joint box ( 10 ), and both ends of the limit plate ( 5 ) are provided. 7 . The joint boxes (10) are respectively extended outwards.

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